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Attention Deficit-Hyperactivity Disorder Information Page
... Attention deficit-hyperactivity disorder (ADHD) is a neurobehavioral disorder that affects 3-5 percent of all American children. It interferes with a person's ability to stay on a task and to exer...
Source: National Institute of Neurological Disorders and Stroke

Neurological Complications of AIDS Information Page
... Acquired immune deficiency syndrome (AIDS) is the result of an infection with the human immunodeficiency virus (HIV). This virus attacks selected cells of the immune, nervous, and other systems and im...
Source: National Institute of Neurological Disorders and Stroke

Landau-Kleffner Syndrome Information Page
... Landau-Kleffner syndrome (LKS) is a rare, childhood neurological disorder characterized by the sudden or gradual development of aphasia (the inability to understand or express language) and an abnorma...
Source: National Institute of Neurological Disorders and Stroke

Acute Disseminated Encephalomyelitis Information Page
... Acute disseminated encephalomyelitis (ADE) is a neurological disorder characterized by inflammation of the brain and spinal cord caused by damage to the myelin sheath. The myelin sheath is the fatty c...
Source: National Institute of Neurological Disorders and Stroke

Adrenoleukodystrophy Information Page
... Adrenoleukodystrophy (ALD) is one of a group of genetic disorders called the leukodystrophies that cause damage to the myelin sheath, an insulating membrane that surrounds nerve cells in the brain. Pe...
Source: National Institute of Neurological Disorders and Stroke

Agenesis of the Corpus Callosum Information Page
... Agenesis of the corpus callosum (ACC) is a rare birth defect in which the structure that connects the two hemispheres of the brain (the corpus callosum) is partially or completely absent. ACC can occu...
Source: National Institute of Neurological Disorders and Stroke

Agnosia Information Page
... Agnosia is a rare disorder characterized by an inability to recognize and identify objects or persons despite having knowledge of the characteristics of the objects or persons. People with agnosia may...
Source: National Institute of Neurological Disorders and Stroke

Alexander Disease Information Page
... Alexander disease is a rare, genetically determined degenerative disorder of the central nervous system. It is one of a group of disorders known as the leukodystrophies, diseases that result from impe...
Source: National Institute of Neurological Disorders and Stroke

Alternating Hemiplegia Information Page
... Alternating hemiplegia is a rare neurological disorder that develops in childhood, usually before the first 4 years. The disorder is characterized by recurrent but temporary episodes of paralysis on o...
Source: National Institute of Neurological Disorders and Stroke

Amyotrophic Lateral Sclerosis Information Page
... Amyotrophic lateral sclerosis (ALS), also called Lou Gehrig's disease, is a progressive, fatal neurological disease affecting as many as 20,000 Americans with 5,000 new cases occurring in the Unit...
Source: National Institute of Neurological Disorders and Stroke

Anencephaly Information Page
... Anencephaly is a defect in the closure of the neural tube during fetal development. The neural tube is a narrow channel that folds and closes between the 3rd and 4th weeks of pregnancy to form the bra...
Source: National Institute of Neurological Disorders and Stroke

Von Hippel-Lindau disease (VHL) Information Page
... von Hippel-Lindau disease (VHL) is a rare, genetic multi-system disorder characterized by the abnormal growth of tumors in certain parts of the body (angiomatosis). The tumors of the central nervous s...
Source: National Institute of Neurological Disorders and Stroke

Cerebral Hypoxia Information Page
... Cerebral hypoxia refers to a condition in which there is a decrease of oxygen supply to the brain even though there is adequate blood flow. Drowning, strangling, choking, suffocation, cardiac arrest, ...
Source: National Institute of Neurological Disorders and Stroke

Apraxia Information Page
... Apraxia (called "dyspraxia" if mild) is a neurological disorder characterized by loss of the ability to execute or carry out skilled movements and gestures, despite having the desire and the physical ...
Source: National Institute of Neurological Disorders and Stroke

Arachnoid Cysts Information Page
... Arachnoid cysts are cerebrospinal fluid-filled sacs that may develop between the surface of the brain and the cranial base or on the arachnoid membrane - one of the 3 membranes that cover the brain an...
Source: National Institute of Neurological Disorders and Stroke

Arachnoiditis Information Page
... Arachnoiditis describes a pain disorder caused by the inflammation of the arachnoid, one of the membranes that surround and protect the nerves of the spinal cord. The arachnoid can become inflamed bec...
Source: National Institute of Neurological Disorders and Stroke

Chiari Malformation Information Page
... Arnold-Chiari Malformation is a condition in which the cerebellum portion of the brain protrudes into the spinal canal. It may or may not be apparent at birth. Arnold-Chiari I type malformation usuall...
Source: National Institute of Neurological Disorders and Stroke

Arteriovenous Malformation Information Page
... An arteriovenous malformation (AVM) is a congenital disorder characterized by a complex, tangled web of arteries and veins. An AVM may occur in the brain, brainstem, or spinal cord and is caused by ab...
Source: National Institute of Neurological Disorders and Stroke

Asperger Syndrome Information Page
... Asperger syndrome (AS) is a developmental disorder.  It is an autism spectrum disorder (ASD), one of a distinct group of neurological conditions characterized by a greater or lesser degree of imp...
Source: National Institute of Neurological Disorders and Stroke

Autism Information Page
... Autism (sometimes called “classical autism”) is the most common condition in a group of developmental disorders known as the autism spectrum disorders (ASDs).   Other ASDs includ...
Source: National Institute of Neurological Disorders and Stroke

Dysautonomia Information Page
... Dysautonomia refers to a disorder of autonomic nervous system (ANS) function. Most physicians view dysautonomia in terms of failure of the sympathetic or parasympathetic components of the ANS, but dys...
Source: National Institute of Neurological Disorders and Stroke

Batten Disease Information Page
... Batten disease is a fatal, inherited disorder of the nervous system that begins in childhood. In some cases, the early signs are subtle, taking the form of personality and behavior changes, slow learn...
Source: National Institute of Neurological Disorders and Stroke

Bell''s Palsy Information Page
... Bell's palsy is a form of facial paralysis resulting from damage to the 7th (facial) cranial nerve. This nerve disorder afflicts approximately 40,000 Americans each year. It can strike almost anyo...
Source: National Institute of Neurological Disorders and Stroke

Pseudotumor Cerebri Information Page
... Pseudotumor cerebri literally means "false brain tumor." It is likely due to high pressure caused by the buildup or poor absorption of cerebrospinal fluid in the subarachnoid space surrounding the bra...
Source: National Institute of Neurological Disorders and Stroke

Traumatic Brain Injury Information Page
... Traumatic brain injury (TBI) occurs when a sudden physical assault on the head causes damage to the brain. The damage can be focal, confined to one area of the brain, or diffuse, involving more than o...
Source: National Institute of Neurological Disorders and Stroke

Canavan Disease Information Page
... Canavan disease, one of the most common cerebral degenerative diseases of infancy, is a gene-linked, neurological birth disorder in which the white matter of the brain degenerates into spongy tissue r...
Source: National Institute of Neurological Disorders and Stroke

Complex Regional Pain Syndrome Information Page
... Complex regional pain syndrome (CRPS) is a chronic condition characterized by severe burning pain, pathological changes in bone and skin, excessive sweating, tissue swelling, and extreme sensitivity t...
Source: National Institute of Neurological Disorders and Stroke

Cephalic Disorders Information Page
... Cephalic disorders are congenital conditions that stem from damage to or abnormal development of the budding nervous system. Most cephalic disorders are caused by a disturbance that occurs very early ...
Source: National Institute of Neurological Disorders and Stroke

Cerebral Atrophy Information Page
... Cerebral atrophy is a common feature of many of the diseases that affect the brain. Atrophy of any tissue means loss of cells. In brain tissue, atrophy describes a loss of neurons and the connections ...
Source: National Institute of Neurological Disorders and Stroke

Cerebral Palsy Information Page
... Cerebral palsy is an umbrella-like term used to describe a group of chronic disorders impairing control of movement that appear in the first few years of life and generally do not worsen over time. Th...
Source: National Institute of Neurological Disorders and Stroke

Charcot-Marie-Tooth Disorder Information Page
... Charcot-Marie-Tooth disorder (CMT) is an inherited neurological disease characterized by a slowly progressive degeneration of the muscles in the foot, lower leg, hand, and forearm, and a mild loss of ...
Source: National Institute of Neurological Disorders and Stroke

Chronic Pain Information Page
... While acute pain is a normal sensation triggered in the nervous system to alert you to possible injury and the need to take care of yourself, chronic pain is different. Chronic pain persists. Pain sig...
Source: National Institute of Neurological Disorders and Stroke

Coma and Persistent Vegetative State Information Page
... A coma is a profound or deep state of unconsciousness. An individual in a state of coma is alive but unable to move or respond to his or her environment. Coma may occur as a complication of an underly...
Source: National Institute of Neurological Disorders and Stroke

Corticobasal Degeneration Information Page
... Corticobasal degeneration is a progressive neurological disorder characterized by nerve cell loss and atrophy (shrinkage) of multiple areas of the brain including the cerebral cortex and the basal gan...
Source: National Institute of Neurological Disorders and Stroke

Craniosynostosis Information Page
... Craniosynostosis is a birth defect of the brain characterized by the premature closure of one or more of the fibrous joints between the bones of the skull (called the cranial sutures) before brain gro...
Source: National Institute of Neurological Disorders and Stroke

Multi-Infarct Dementia Information Page
... Multi-infarct dementia (MID), a common cause of dementia in the elderly, occurs when blood clots block small blood vessels in the brain and destroy brain tissue. Probable risk factors are high blood p...
Source: National Institute of Neurological Disorders and Stroke

Dermatomyositis Information Page
... Dermatomyositis is one of a group of acquired muscle diseases called inflammatory myopathies. The disease, which has a somewhat severe onset, affects both children and adults. Females are more often a...
Source: National Institute of Neurological Disorders and Stroke

Schilder''s Disease Information Page
... Note: Schilder's disease is not the same as Addison-Schilder disease (adrenoleukodystrophy). Schilder's disease is a rare progressive demyelinating disorder which usually begins in childhood. ...
Source: National Institute of Neurological Disorders and Stroke

Dystonias Information Page
... The dystonias are movement disorders in which sustained muscle contractions cause twisting and repetitive movements or abnormal postures. The movements, which are involuntary and sometimes painful, ma...
Source: National Institute of Neurological Disorders and Stroke

Ohtahara Syndrome Information Page
... Ohtahara syndrome is a neurological disorder characterized by seizures. The disorder affects newborns, usually within the first three months of life. Individuals with Ohtahara syndrome often have ment...
Source: National Institute of Neurological Disorders and Stroke

Sturge-Weber Syndrome Information Page
... Sturge-Weber syndrome (also called "encephalotrigeminal angiomatosis") is a congenital disorder characterized by a vascular birthmark and neurological abnormalities. Symptoms of the disorder, which va...
Source: National Institute of Neurological Disorders and Stroke

Epilepsy Information Page
... Epilepsy is a brain disorder in which clusters of nerve cells, or neurons, in the brain sometimes signal abnormally. In epilepsy, the normal pattern of neuronal activity becomes disturbed, causing str...
Source: National Institute of Neurological Disorders and Stroke

Fabry''s Disease Information Page
... Fabry disease is a lipid storage disorder caused by the deficiency of an enzyme involved in the biodegradation of fats. The enzyme is known as ceramidetrihexosidase, also called alpha-galactosidase A....
Source: National Institute of Neurological Disorders and Stroke

Familial Periodic Paralyses Information Page
... Familial periodic paralyses are a group of inherited neurological disorders caused by mutations in genes that regulate sodium and calcium channels in nerve cells. They are characterized by episodes in...
Source: National Institute of Neurological Disorders and Stroke

Febrile Seizures Information Page
... Febrile seizures are convulsions brought on by a fever in infants or small children. During a febrile seizure, a child often loses consciousness and shakes, moving limbs on both sides of the body. Les...
Source: National Institute of Neurological Disorders and Stroke

Guillain-Barre Syndrome Information Page
... Guillain-Barré (ghee-yan bah-ray) syndrome is a disorder in which the body's immune system attacks part of the peripheral nervous system. The first symptoms of this disorder include varying...
Source: National Institute of Neurological Disorders and Stroke

Hallervorden-Spatz Disease Information Page
... Hallervorden-Spatz disease, also called Neurodegeneration with Brain Iron Accumulation, is a rare, inherited, neurological movement disorder characterized by progressive degeneration of the nervous sy...
Source: National Institute of Neurological Disorders and Stroke

Headache Information Page
... A headache happens when pain-sensitive nerve fibers (called nociceptors) are triggered in the network of nerves that extends over the scalp, face, and along the surface and the base of the brain. Nine...
Source: National Institute of Neurological Disorders and Stroke

Hemifacial Spasm Information Page
... Hemifacial spasm is a neuromuscular disorder characterized by frequent involuntary contractions of the muscles on one side of the face. The disorder occurs in both men and women, although it more freq...
Source: National Institute of Neurological Disorders and Stroke

Ramsay Hunt Syndrome Type I Information Page
... Ramsay Hunt syndrome type I, also known as herpes zoster oticus, is a common complication of shingles. Shingles is an infection caused by the varicella-zoster virus, which is the virus that causes chi...
Source: National Institute of Neurological Disorders and Stroke, NIH, HHS

Hydranencephaly Information Page
... Hydranencephaly is a rare condition in which the brain's cerebral hemispheres are absent and replaced by sacs filled with cerebrospinal fluid. An infant with hydranencephaly may appear normal at b...
Source: National Institute of Neurological Disorders and Stroke

Klüver-Bucy Syndrome Information Page
... Klü ver-Bucy syndrome is a rare neurological disorder that causes individuals to put objects in their mouths and engage in inappropriate sexual behavior. Other symptoms may include visual agnosia...
Source: National Institute of Neurological Disorders and Stroke

Learning Disabilities Information Page
... Learning disabilities are disorders that affect the ability to understand or use spoken or written language, do mathematical calculations, coordinate movements, or direct attention. Although learning ...
Source: National Institute of Neurological Disorders and Stroke

Leigh''s Disease Information Page
... Leigh's disease is a rare inherited neurometabolic disorder characterized by degeneration of the central nervous system. Leigh's disease can be caused by mutations in mitochondrial DNA or by d...
Source: National Institute of Neurological Disorders and Stroke

Leukodystrophy Information Page
... Leukodystrophy refers to progressive degeneration of the white matter of the brain due to imperfect growth or development of the myelin sheath, the fatty covering that acts as an insulator around nerv...
Source: National Institute of Neurological Disorders and Stroke

Lissencephaly Information Page
... Lissencephaly, which literally means "smooth brain," is a rare, gene-linked brain malformation characterized by the absence of normal convolutions (folds) in the cerebral cortex and an abnormally smal...
Source: National Institute of Neurological Disorders and Stroke

Locked-In Syndrome Information Page
... Locked-in syndrome is a rare neurological disorder characterized by complete paralysis of voluntary muscles in all parts of the body except for those that control eye movement. It may result from trau...
Source: National Institute of Neurological Disorders and Stroke

Neurological Sequelae Of Lupus Information Page
... Lupus (also called systemic lupus erythematosus) is a disorder of the immune system. Normally, the immune system protects the body against invading infections and cancers. In lupus, the immune system ...
Source: National Institute of Neurological Disorders and Stroke

Neurological Complications Of Lyme Disease Information Page
... Lyme disease is caused by a bacterial organism that is transmitted to humans via the bite of an infected tick. Most people bitten by an infected tick develop a characteristic skin rash around the area...
Source: National Institute of Neurological Disorders and Stroke

Metachromatic Leukodystrophy Information Page
... Metachromatic leukodystrophy (MLD) is one of a group of genetic disorders called the leukodystrophies. These are diseases that impair the growth or development of the myelin sheath, the fatty covering...
Source: National Institute of Neurological Disorders and Stroke

Mitochondrial Myopathies Information Page
... Mitochondrial myopathies are a group of neuromuscular diseases caused by damage to the mitochondria-small, energy-producing structures found in every cell in the body that serve as the cells' "pow...
Source: National Institute of Neurological Disorders and Stroke

Multiple Sclerosis Information Page
... Multiple sclerosis (MS) is a chronic disease diagnosed primarily in adults between the ages of 20 and 50. It is caused by the inflammation and scarring (sclerosis) of the myelin sheath (a fatty coveri...
Source: National Institute of Neurological Disorders and Stroke

Muscular Dystrophy Information Page
... The muscular dystrophies (MD) are a group of genetic diseases characterized by progressive weakness and degeneration of the skeletal muscles which control movement. There are many forms of muscular dy...
Source: National Institute of Neurological Disorders and Stroke

Myasthenia Gravis Information Page
... Myasthenia gravis is a chronic autoimmune neuromuscular disease characterized by varying degrees of weakness of the skeletal (voluntary) muscles of the body. The hallmark of myasthenia gravis is muscl...
Source: National Institute of Neurological Disorders and Stroke

Narcolepsy Information Page
... Narcolepsy is a disabling neurological disorder of sleep regulation that affects the control of sleep and wakefulness. It may be described as an intrusion of the dreaming state of sleep (called REM or...
Source: National Institute of Neurological Disorders and Stroke

Neurofibromatosis Information Page
... The neurofibromatoses are genetic disorders of the nervous system that primarily affect the development and growth of neural (nerve) cell tissues. These disorders cause tumors to grow on nerves and pr...
Source: National Institute of Neurological Disorders and Stroke

Neuroleptic Malignant Syndrome Information Page
... Neuroleptic malignant syndrome is a life-threatening, neurological disorder most often caused by an adverse reaction to neuroleptic or antipsychotic drugs. Symptoms include high fever, sweating, unsta...
Source: National Institute of Neurological Disorders and Stroke

Neurosarcoidosis Information Page
... Sarcoidosis is a progressive multi-system disease that commonly affects young adults. Neurosarcoidosis refers to the neurological manifestations of sarcoidosis. Symptoms vary widely and may include fa...
Source: National Institute of Neurological Disorders and Stroke

Neurotoxicity Information Page
... Neurotoxicity occurs when the exposure to natural or manmade toxic substances (neurotoxicants) alters the normal activity of the nervous system. This can eventually disrupt or even kill neurons, key c...
Source: National Institute of Neurological Disorders and Stroke

Niemann-Pick Disease Information Page
... Niemann-Pick disease (NP) is an inherited metabolic disorder in which harmful quantities of a fatty substance accumulate in the spleen, liver, lungs, bone marrow, and, in some people, the brain. The d...
Source: National Institute of Neurological Disorders and Stroke

Olivopontocerebellar Atrophy Information Page
... Olivopontocerebellar atrophy (OPCA) refers to a group of ataxias characterized by progressive neurological degeneration affecting the cerebellum, the pons and the inferior olives. OPCA may be classifi...
Source: National Institute of Neurological Disorders and Stroke

Paresthesia Information Page
... Paresthesia refers to a burning or prickling sensation that is usually felt in the hands, arms, legs, or feet, but can also occur in other parts of the body. The sensation, which happens without warni...
Source: National Institute of Neurological Disorders and Stroke

Pelizaeus-Merzbacher Disease Information Page
... Pelizaeus-Merzbacher disease (PMD) is a rare, progressive, degenerative central nervous system disorder in which coordination, motor abilities, and intellectual function deteriorate. The disease is on...
Source: National Institute of Neurological Disorders and Stroke

Peripheral Neuropathy Information Page
... Peripheral neuropathy describes damage to the peripheral nerves, the vast communications network that transmits information from the brain and spinal cord to every other part of the body. It may be ca...
Source: National Institute of Neurological Disorders and Stroke

Pick''s Disease Information Page
... Pick's disease is a form of dementia characterized by a slowly progressive deterioration of social skills and changes in personality, along with impairment of intellect, memory, and language. Alth...
Source: National Institute of Neurological Disorders and Stroke

Post-Polio Syndrome Information Page
... Post-Polio Syndrome (PPS) is a condition that can strike polio survivors anywhere from 10 to 40 years after their recovery from polio. PPS is caused by the death of individual nerve terminals in the m...
Source: National Institute of Neurological Disorders and Stroke

Progressive Multifocal Leukoencephalopathy Information Page
... Progressive multifocal leukoencephalopathy (PML) is an infrequent disorder of the nervous system that primarily affects individuals with suppressed immune systems (including, allograft recipients such...
Source: National Institute of Neurological Disorders and Stroke

Progressive Supranuclear Palsy Information Page
... Progressive supranuclear palsy (PSP) is a rare brain disorder that causes serious and permanent problems with control of gait and balance. The most obvious sign of the disease is an inability to aim t...
Source: National Institute of Neurological Disorders and Stroke

Rett Syndrome Information Page
... Rett syndrome is a progressive neurological disorder in which individuals exhibit reduced muscle tone, autistic-like behavior, hand movements consisting mainly of wringing and waving, loss of purposef...
Source: National Institute of Neurological Disorders and Stroke

Spasticity Information Page
... Spasticity is a condition in which certain muscles are continuously contracted. This contraction causes stiffness or tightness of the muscles and may interfere with movement, speech, and manner of wal...
Source: National Institute of Neurological Disorders and Stroke

Spinal Cord Injury Information Page
... Spinal cord injury (SCI) occurs when a traumatic event results in damage to cells within the spinal cord or severs the nerve tracts that relay signals up and down the spinal cord. The most common type...
Source: National Institute of Neurological Disorders and Stroke

Stiff-Person Syndrome Information Page
... Stiff-person syndrome is a rare progressive neurological disorder characterized by constant painful contractions and spasms of voluntary muscles, particularly the muscles of the back and upper legs. S...
Source: National Institute of Neurological Disorders and Stroke

Striatonigral Degeneration Information Page
... Striatonigral degeneration is a neurological disorder caused by a disruption in the connection between two areas of the brain-the striatum and the substantia nigra. These two areas work together to en...
Source: National Institute of Neurological Disorders and Stroke

Stroke Information Page
... A stroke happens when blood flow to the brain stops. There are two different kinds of stroke. The most common is an ischemic stroke, caused by a blood clot that blocks a blood vessel or artery in the ...
Source: National Institute of Neurological Disorders and Stroke

Syringomyelia Information Page
... Syringomyelia (sear-IN-go-my-EEL-ya) is a disorder in which a cyst forms within the spinal cord. This cyst, called a syrinx, expands and elongates over time, destroying the center of the spinal cord. ...
Source: National Institute of Neurological Disorders and Stroke

Tardive Dyskinesia Information Page
... Tardive dyskinesia is a neurological syndrome caused by the long-term use of neuroleptic drugs. Neuroleptic drugs are generally prescribed for psychiatric disorders, as well as for some gastrointestin...
Source: National Institute of Neurological Disorders and Stroke

Tay-Sachs Disease Information Page
... Tay-Sachs disease is a fatal genetic disorder in which harmful quantities of a fatty substance called ganglioside GM2 accumulate in the nerve cells in the brain. Infants with Tay-Sachs disease appear ...
Source: National Institute of Neurological Disorders and Stroke

Thoracic Outlet Syndrome Information Page
... Thoracic outlet syndrome (TOS) consists of a group of distinct disorders that affect the nerves in the brachial plexus (nerves that pass into the arms from the neck) and various nerves and blood vesse...
Source: National Institute of Neurological Disorders and Stroke

Trigeminal Neuralgia Information Page
... Trigeminal neuralgia, also called tic douloureux, is a condition that affects the trigeminal nerve (the 5th cranial nerve), one of the largest nerves in the head. The trigeminal nerve is responsible f...
Source: National Institute of Neurological Disorders and Stroke

Tourette Syndrome Information Page
... Tourette Syndrome (TS) is an inherited neurological disorder characterized by repeated involuntary movements and uncontrollable vocal sounds called tics. In a few cases, such tics can include inapprop...
Source: National Institute of Neurological Disorders and Stroke

Tremor Information Page
... Tremor is a rhythmic, involuntary muscular contraction characterized by oscillations (to-and-fro movements) of a part of the body. The most common of all involuntary movements, tremor can affect vario...
Source: National Institute of Neurological Disorders and Stroke

Tuberous Sclerosis Information Page
... Tuberous sclerosis is a rare genetic, neurological disorder primarily characterized by seizures, mental retardation, and skin and eye lesions. In some cases, neurobehavioral problems may also occur. I...
Source: National Institute of Neurological Disorders and Stroke

Williams Syndrome Information Page
... Williams syndrome is a rare, congenital (present at birth) disorder characterized by physical and developmental problems including an impulsive and outgoing (excessively social) personality, limited s...
Source: National Institute of Neurological Disorders and Stroke

Wilson''s Disease Information Page
... Wilson's disease is an inherited disorder in which excessive amounts of copper accumulate in the body. Although the accumulation of copper begins at birth, symptoms of the disorder appear later in...
Source: National Institute of Neurological Disorders and Stroke

Zellweger Syndrome Information Page
... Zellweger syndrome is a rare, congenital (present at birth) disorder characterized by the reduction or absence of peroxisomes (cell structures that rid the body of toxic substances) in the cells of th...
Source: National Institute of Neurological Disorders and Stroke

Tuberous Sclerosis Fact Sheet
... Tuberous sclerosis-also called tuberous sclerosis complex (TSC)1 - is a rare, multi-system genetic disease that causes benign tumors to grow in the brain and on other vital organs such as the kidneys,...
Source: National Institute of Neurological Disorders and Stroke

Brain and Spinal Tumors Information Page
... Brain and spinal cord tumors are abnormal growths of tissue found inside the skull or the bony spinal column, which are the primary components of the central nervous system (CNS). Benign tumors are no...
Source: National Institute of Neurological Disorders and Stroke

Transverse Myelitis Fact Sheet
... Transverse myelitis is a neurological disorder caused by inflammation across both sides of one level, or segment, of the spinal cord. The term myelitis refers to inflammation of the spinal cord; trans...
Source: National Institute of Neurological Disorders and Stroke

Seizures and Epilepsy: Hope Through Research
... Few experiences match the drama of a convulsive seizure. A person having a severe seizure may cry out, fall to the floor unconscious, twitch or move uncontrollably, drool, or even lose bladder control...
Source: National Institute of Neurological Disorders and Stroke

Parkinson''s Disease: Hope Through Research
... Parkinson's disease may be one of the most baffling and complex of the neurological disorders. Its cause remains a mystery but research in this area is active, with new and intriguing findings con...
Source: National Institute of Neurological Disorders and Stroke

Depression and Parkinson''s Disease
... Symptoms of Depression Persistent sad, anxious, or "empty" mood Feelings of hopelessness, pessimism Feelings of guilt, worthlessness, helplessness Loss of interest or pleasure in hobbies and activitie...
Source: National Institute of Mental Health

Bone Marrow Generates New Neurons in Human Brains
... A new study strongly suggests that some cells from bone marrow can enter the human brain and generate new neurons and other types of brain cells. If researchers can find a way to control these cells a...
Source: National Institutes of Health

Familial dysautonomia
... Familial dysautonomia affects the autonomic nervous system, which controls involuntary actions such as digestion, breathing, tearing, and the regulation of blood pressure and body temperature. This co...
Source: Genetics Home Reference

Genes and Disease: Familial Mediterranean fever
... Familial Mediterranean fever (FMF) occurs most commonly in people of non-Ashkenazi Jewish, Armenian, Arab, and Turkish background. As many as 1 in 200 people in these populations have the disease, wit...
Source: National Center for Biotechnology Information

Genes and Disease: The Nervous System
... The brain and nervous system form an intricate network of electrical signals that are responsible for coordinating muscles, the senses, speech, memories, thought and emotion. Several diseases that dir...
Source: National Center for Biotechnology Information

Study Reveals Patterns of Gene Activity in the Mouse Nervous System
... The first published data from a government-funded project provide remarkable new insights into where specific genes are active in the mouse nervous system during development and adulthood. Information...
Source: National Institutes of Health

Multiple Sclerosis: Hope Through Research
... Although multiple sclerosis (MS) was first diagnosed in 1849, the earliest known description of a person with possible MS dates from fourteenth century Holland. An unpredictable disease of the central...
Source: National Institute of Neurological Disorders and Stroke

Huntington''s Disease: Hope Through Research
... In 1872, the American physician George Huntington wrote about an illness that he called "an heirloom from generations away back in the dim past." He was not the first to describe the disorder, which h...
Source: National Institute of Neurological Disorders and Stroke

Hydrocephalus Fact Sheet
... The term hydrocephalus is derived from the Greek words "hydro" meaning water and "cephalus" meaning head. As its name implies, it is a condition in which the primary characteristic is excessive accumu...
Source: National Institute of Neurological Disorders and Stroke

Batten Disease Fact Sheet
... Batten disease is a fatal, inherited disorder of the nervous system that begins in childhood. Early symptoms of this disorder usually appear between the ages of 5 and 10, when parents or physicians ma...
Source: National Institute of Neurological Disorders and Stroke

Diabetic Neuropathies: The Nerve Damage of Diabetes
... Diabetic neuropathies are a family of nerve disorders caused by diabetes. People with diabetes can, over time, have damage to nerves throughout the body. Neuropathies lead to numbness and sometimes pa...
Source: National Institute of Diabetes and Digestive and Kidney Diseases

Cerebral Palsy: Hope Through Research
... In the 1860s, an English surgeon named William Little wrote the first medical descriptions of a puzzling disorder that struck children in the first years of life, causing stiff, spastic muscles in the...
Source: National Institute of Neurological Disorders and Stroke

Arteriovenous Malformations and Other Vascular Lesions of the Central Nervous System Fact Sheet Fact Sheet
... Arteriovenous malformations (AVMs) are defects of the circulatory system that are generally believed to arise during embryonic or fetal development or soon after birth. They are comprised of snarled t...
Source: National Institute of Neurological Disorders and Stroke

Chairs, Houses & Visual Clutter: Watching the Brain at Work
... Watching the Brain at Work Is the brain hard-wired for houses? When NIMH neuroscientists Dr. James Haxby and colleagues flashed pictures of faces, houses and chairs in front of subjects while their me...
Source: National Institute of Mental Health

What We Learned From Songbirds
... The Adult Brain Can Generate New Nerve Cells Once, neuroscientists believed that our complement of nerve cells was created prenatally and during the first years of life, and that no new neurons could ...
Source: National Institute of Mental Health

   

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